>> heather: did you plan ahead what you were going sing and what you were going to do? >> no, we didn't. we plan ahead all we're going to from a scientific, but everything else you heard from most of these missions, your reaction to the environment and reaction to things. even things that were said when we left the moon, they come to you because of what you are confronted with. >> heather: explain to us. take us all back there that moment when you first stepped foot on the to the moon surface. what did you see and what did it feel like? >> well, heather, my first step was mine. no matter what a lot of people want to believe, it can never be taken away from me. the fact of life there were other people who stepped, made their first steps on the moon before i did.